During project execution, the client renegotiates pricing due to a downward industry trend and falling prices for their product, this results in a decrease in the projects budget, the project manager determines that business processes followed in similar projects must be dramatically improved for the success of this one.What should the project manager do to identify areas for improvement? 在项目执行期间，由于行业趋势下行和产品价格下降，客户重新协商定价，这导致项目预算减少，项目经理确定必须大大改造类似项目中遵循的业务流程才能使项目取得成功。项目经理应该做些什么来确定改进的方面？ ◑A.Examine the risk report 检查风险报告 ◑B.Review the lessons learned 审查经验教训 ◑C.Use the lean six sigma method 使用精益六西格玛方法 ◑D.Perform a cost-benefit analysis 执行成本效益分析
